Autotrophic denitrification processes

Marisol Belmonte, Carmen Fajardo, JAVIERA BELEN TOLEDO ALARCON, Daniel Valenzuela Heredia, LORENA VERONICA JORQUERA MARTINEZ, Ramón Méndez, Estela Tapia-Venegas, Gonzalo Ruiz-Filippi

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

1 Scopus citations

Abstract

Effluents coming from anaerobic digesters are characterized by a COD/N ratio between 2 and 10, high ammonia NH4 + concentrations about 500 mg/L and a temperature range of 25-35°C. To remove nitrogen from these effluents biological processes as the autotrophic denitrification with sulfur compounds, hydrogen or methane can be applied. The main goal of this chapter is to describe and evaluate the use of these processes from an economic point of view. The methanotrophic denitrification is the cheapest alternative to remove nitrate from effluents with low COD/N ratios.

Original languageEnglish
Title of host publicationTechnologies for the Treatment and Recovery of Nutrients from Industrial Wastewater
PublisherIGI Global
Pages147-173
Number of pages27
ISBN (Electronic)9781522510383
ISBN (Print)9781522510376
DOIs
StatePublished - 21 Oct 2016

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